"""""
集合
"""
"使用{}创建集合"
d1 = {}
print("d1类型是：",type(d1))
s1 = {"11","22"}
print("s1类型是：",type(s1))
"通过set()创建集合"
s1 = set("11","22")
s2 = set("123")
print(s1)
print(s2)

